Cheapest return flights from Boston to Copenhagen in September from 343€

AirHint found the following cheapest return flights from Boston (BOS) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

01 Sep - 10 Sep Fly Play
01 Sep - 16 Sep Air Canada
29 Sep - 06 Oct Scandinavian Airlines direct
28 Sep - 05 Oct Icelandair
25 Sep - 02 Oct Icelandair
01 Sep - 22 Sep Icelandair
22 Sep - 28 Sep Icelandair
17 Sep - 24 Sep Icelandair
21 Sep - 28 Sep Icelandair
23 Sep - 30 Sep Icelandair
07 Sep - 14 Sep Icelandair
15 Sep - 22 Sep Icelandair
16 Sep - 02 Oct Icelandair
09 Sep - 04 Oct Icelandair
20 Sep - 11 Oct Icelandair
04 Sep - 11 Sep Lufthansa
25 Sep - 02 Oct Scandinavian Airlines direct
09 Sep - 04 Oct Scandinavian Airlines direct

Also check the deals for one-way flights from Boston to Copenhagen in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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